I HAVE A TESTER THAT TEST PULSE DIALING  TELEPHONES
IN THE MANUAL THEY MENTION CERTAIN STANDARDS FOR DIFFERENT COUNTRIES

INTER -DIGIT PAUSE SEEMS TO VARY FROM ONE COUNTRY TO ANOTHER
THE MINIMUM IS 448 msec THE MAX  IS 798 msec
OTHER VALUES ARE 498  599  AND 618   msec

PULSE SPEEDS VARY FROM ONE STANDARD TO ANOTHER
A LIST OF DIFFERENT  VALUES GIVEN BELOW

MIN 8.8 MAX 11.2 PULSES PER SECOND
MIN 9   MAX 11.2

MIN 9.1 MAX 10.9
MIN 9.4 MAX 10.6
MIN 8.9 MAX 11.1

BREAK TIME ALSO VARIES FOR DIFFERENT STANDARDS

MIN 33 MAX 52    msec
MIN 58MAX  74
MIN 54 MAX 70
MIN 52 MAX 64
MIN 53 MAX 67
MIN 54 MAX 82
MIN 56 MAX 64
MIN 63 MAX 71

MAKE TIME ALSO VARIES FOR DIFFERENT STANDARDS IN THE SAME ORDER AS ABOVE

MIN 15 MAX 28    msec
MIN 28MAX  38
MIN 33 MAX 46
MIN 34 MAX 46
MIN 35 MAX 45
MIN 25 MAX 43
MIN 36 MAX 44
MIN 29 MAX 37


SHARIF NABULSI
AMMAN - JORDAN
EMAIL : rnc@go.com.jo